Myriophyllum. 89 



nonnunquam stylorum rudimentis minutis. Fructus 4-partitus ovoideus ± 1,8 mm longus 

 et 1,2 mm diametro metiens breviter pedicellatus papillose punctatus. — Fig. 25, 28iT. 



Brasilien: Prov. Rio de Janeiro, Sta. Catharina, Minas Geraes, Saö Paulo, Mato 

 Grosso (Glaziou n. 3662, Perdonnet n. 240, Schenck n. 338, Schwacke n. 

 11348, Sellow d. n. 2330, Warming n. 1749); Uruguay (Lorentz, Flor. Entrer. 

 n. 1744); Argentinien (Bettfreund et Koester n. 476, Cunningham, Gillies, 

 Nie der lein n. 1001, Lorentz et Hier onymus n. 704). — Chile (Bert ero n. 1 162, 

 Commerson, Cuming, Lechler n. 570, Lesson, Ochsenius, Philippi, Schag- 

 mann); Atacama (Philippi). 



Einh. Name (Buenos-Ayres) : Yerba del Sapo [Froschkraut]. 



Series 2. Anisophylleae Schindler nov. ser. 



Folia submersa pinnata lobis capillaceis, emergentia rhachi in laminam manifestam 

 complanata vel summa linearia integerrima tenuia vel crassiuscula semiteretia, raro in 

 M. propinquo sicut amphibia pinnatipartita. 



13. M. propinquum A. Cunn. in Ann. Nat. Hist. Ser. I. III. (1839) 30. — M. 

 variaefolium Hook. f. in Hook. Icon. pl. III. (1840) t. 2 89 et in Fl. Tasmaniae I. 

 (1860) 122 et in Fl. Novae Zeland. I. (1855) 65 et in Handb. N. Zeal. Fl. (1867) 

 66; Benth. Fl. austral. II. (1864) 487. — M. intermedium Clarke! in Hook. f. Fl. 

 Brit. Ind. II. (1878) 4 33 (e. p., quoad cit. syn. M. variaefolium Hook, f.); Kirk, 

 Student's Fl. (1899) 150 nee P. DC. — Suffrutex robustus, lignosus, submerse aquaticus 

 vel limosus, vel herba tenella subaquatica vel limosa vel terrestris, habitu et foliis valde 

 varians, caule arcuatim ascendente simplici vel ramoso, usque ad 1,2 m longo. Folia 

 verticillata, rarissime nonnulla subverticillata, 3 — 8 na plerumque 4 — 5 na , submersa pinnata, 

 rhachi lobisque capillaceis, ad 50 mm longa, emergentia pinnatipartita vel pinnatiseeta vel 

 pectinato-incisa vel serrata vel integerrima, apice et loborum apieibus submucronata floralia 

 usque ad 30 mm longa, raro lobis neglectis 1 mm lat. excedentia, crassula vel tenuia, 

 tunc plerumque superiora integerrima, apicem versus minute dilatata, apice subobtusa, 

 dense vel laxe disposita, internodiis longiora vel breviora. Flores saepissime unisexuales 

 rarissime hermaphroditi, planus nunc monoieis nunc dioieis, floribus omnibus foemineis 

 sine petalorum rudimentis, vel omnibus foemineis summis petalorum rudimentis vel 

 summis hermaphroditis, vel infimis foemineis mediis hermaphroditis summis masculis, 

 vel infimis foemineis parte media floribus nullis summis masculis vel omnibus masculis 

 infimis cum ovarii rudimentis vel omnibus gynaeceo nullo masculis, in foliorum axillis 

 singuli foeminei sessiles, bracteolis 2 minutis coneavis dtz 0,4 mm longis ovatis acutis 

 praediti, calycis tubus tetraqueter, 4-sulcatus, papillose punctatus, =b 0,7 mm longus 

 et 0,5 mm diam., lobis non visis, petala vel 4, minutissima, stamina 0, styli 4, 

 erecti, breves, longe filiformi-papillosi, papillis florem foem. defloratum late obtegentibus ; 

 flores masculi tubo redueto breviter pedicellati, pedicello =b 0,7 mm longo crassulo, 

 bracteolis 2 ovatis vel ex ovato breviter acuminatis vel triangularibus margine minute 

 serratis ± 1,3 mm longis praediti, calycis lobis triangularibus acutis 0,5 — 1,2 mm 

 longis et ad 0,4 mm latis minutissime serrulatis, petala 4, obovata, late cochleiformi- 

 navicularia, apice acuta, breviter unguiculata, sensim in unguem angustata, 2,2 — 3,0 mm 

 longa et latere visa ± 1,2 mm lata, demum reflexa, stamina 8, filamentis ± 1,0 mm, 

 antheris =b 2,0 mm longis et 0,4 mm latis, styli 0; flores hermaphroditi intermedii. 

 Fructus 4-partitus merocarpiis dorso lateribusque ruguloso-tuberculatis ad 1,2 mm 

 longus et totidem diametro metiens. 



Var. a. genuinum Schindler nov. var. — Folia crassula, linearia, apice submu- 

 cronata. 



Tasmanien (Gunn). — Australien: Victoria, Neu-Süd-Wales, West- Australien 

 in Flüssen und Wasserlöchern verbreitet (Numerierte Sammlungen: Diels n. 2571, 

 Drummond n. 4M, 4075 und IV n. 75, Gaudichaud n. 192, Nat.-Herb. N. S. 

 Wales n. 23—26, 31, Wawra It. Cob. n. 467, 469, 477). — Neu-Seeland (Hügel). 



